.wrap {
  width: 100%;
  height: 100%;
}
.canvas_operate {
  span {
    padding: 4px 10px;
    cursor: pointer;
    border-radius: 8px;
    user-select: none;
    border: 1px solid red;
  }
}


.canvas_wrap {

  border: 1px solid skyblue;
}